/**
 * Created by 白雨浓 on 2018/12/7 10:44.
 *
 * 日期工具
 */
const format = {
  stampToDate(timestamp) {
    return new Date(parseInt(timestamp));
  },
  dateToString(date, fmt) {
    if (/(y+)/.test(fmt)) {
      fmt = fmt.replace(RegExp.$1, (date.getFullYear() + '').substr(4 - RegExp.$1.length))
    }
    let o = {
      'M+': date.getMonth() + 1,
      'd+': date.getDate(),
      'h+': date.getHours(),
      'm+': date.getMinutes(),
      's+': date.getSeconds()
    };
    for (const k in o) {
      if (new RegExp(`(${k})`).test(fmt)) {
        let str = o[k] + '';
        fmt = fmt.replace(RegExp.$1, RegExp.$1.length === 1 ? str : ('00' + str).substr(str.length))
      }
    }
    return fmt
  },
  stampToString(timestamp, type = 'datetime') {
    const date = this.stampToDate(timestamp);

    let fmt;
    if (type === 'datetime') {
      fmt = 'yyyy-MM-dd hh:mm:ss';
    } else if (type === 'date') {
      fmt = 'yyyy-MM-dd';
    } else {
      fmt = type;
    }

    return this.dateToString(date, fmt);
  }
};

export { format }